TED-Ed: How does laser eye surgery work? | Dan Reinstein

The video explores the evolution of vision correction from Barraquer's keratomileusis to modern laser surgeries like LASIK and SMILE. It explains refractive errors such as myopia, hyperopia, and astigmatism, and how these can be corrected by reshaping the cornea. Modern techniques use lasers for precise corneal sculpting, offering less invasive options with quicker recovery times. The video also discusses advancements like laser blended vision, which can address aging eyes, and highlights the potential for a future without glasses.

Explain the difference between myopia, hyperopia, and astigmatism.

What advancements have been made in laser eye surgery since Barraquer's time?

How does the technique of laser blended vision work?